godfreyhe opened a new pull request #12042:
URL: https://github.com/apache/flink/pull/12042
## What is the purpose of the change
*Introduce TableEnvironment#createStatementSet api to support accept DML
statements and Tables. The planner can optimize all added statements and Tables
in StatementSet together and then submit as one job.*
## Brief change log
- *add TableEnvironment#createStatementSet method*
- *add StatementSet interface*
- *add related classes and methods in flink-python*
## Verifying this change
This change added tests and can be verified as follows:
- *Extended TableEnvironmentITCase to verify StatementSet*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (**yes** / no)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn/Mesos, ZooKeeper: (yes / **no** /
don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (**yes** / no)
- If yes, how is the feature documented? (not applicable / docs /
**JavaDocs** / not documented)
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